Waterloo Weather Averages

Climate averages for Waterloo based on 10 years of historical data.

Average Waterloo temperatures by month

Avg high

31°

J

31°

F

31°

M

30°

A

30°

M

29°

J

27°

J

27°

A

28°

S

29°

O

30°

N

31°

D

Avg low

24°

J

24°

F

25°

M

26°

A

26°

M

25°

J

24°

J

24°

A

24°

S

25°

O

25°

N

25°

D

Average rainfall in Waterloo by month

Rainfall (mm)

4

J

5

F

6

M

33

A

188

M

430

J

800

J

835

A

594

S

309

O

133

N

20

D

Sunshine hours in Waterloo by month

Sunshine (h/day)

7

J

8

F

7

M

4

A

1

M

1

J

1

J

1

A

1

S

1

O

1

N

5

D

Humidity in Waterloo by month

Average humidity

69%

J

70%

F

71%

M

74%

A

77%

M

82%

J

85%

J

86%

A

86%

S

82%

O

77%

N

69%

D

Month-by-month averages

Month	Avg High	Avg Low	Rainfall	Sunshine
Vær i januar	31°C	24°C	4 mm	7.0h
Vær i februar	31°C	24°C	5 mm	7.5h
Vær i mars	31°C	25°C	6 mm	6.7h
Vær i april	30°C	26°C	33 mm	3.9h
Vær i mai	30°C	26°C	188 mm	1.3h
Vær i juni	29°C	25°C	430 mm	0.7h
Vær i juli	27°C	24°C	800 mm	0.6h
Vær i august	27°C	24°C	835 mm	0.7h
Vær i september	28°C	24°C	594 mm	0.6h
Vær i oktober	29°C	25°C	309 mm	0.7h
Vær i november	30°C	25°C	133 mm	1.1h
Vær i desember	31°C	25°C	20 mm	5.2h